Home / 882,560.15-1,217,894.55-490,068.77

Finding the Fourth Proportional to 882,560.15, 1,217,894.55 and 490,068.77

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Solution

The fourth proportional to 882,560.15, 1,217,894.55 and 490,068.77 is: 676,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,560.15 : 1,217,894.55 = 490,068.77 : x
  2. Step 2: Convert to fraction form
    882,560.15/1,217,894.55 = 490,068.77/x
  3. Step 3: Cross multiply
    882,560.15x = 1,217,894.55 × 490,068.77
  4. Step 4: Simplify right side
    882,560.15x = 596,852,084,108.20
  5. Step 5: Solve for x
    x = 596,852,084,108.20/882,560.15
  6. Step 6: Final answer
    x = 676,273.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.